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(*
* Copyright (c) 2009-2013, Monoidics ltd.
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*)
(** The Smallfoot Intermediate Language: Annotations *)
open! IStd
module F = Format
type parameters = string list [@@deriving compare]
(** Type to represent one @Annotation. *)
type t =
{ class_name: string (** name of the annotation *)
; parameters: parameters (** currently only one string parameter *) }
[@@deriving compare]
let volatile = {class_name= "volatile"; parameters= []}
let final = {class_name= "final"; parameters= []}
(** Pretty print an annotation. *)
let prefix = match Language.curr_language_is Java with true -> "@" | false -> "_"
let pp fmt annotation =
F.fprintf fmt "%s%s%s" prefix annotation.class_name
(String.concat ~sep:"," annotation.parameters)
module Item = struct
(* Don't use nonrec due to https://github.com/janestreet/ppx_compare/issues/2 *)
(* type nonrec t = list (t, bool) [@@deriving compare]; *)
(** Annotation for one item: a list of annotations with visibility. *)
type t_ = (t * bool) list [@@deriving compare]
type t = t_ [@@deriving compare]
(** Pretty print an item annotation. *)
let pp fmt ann =
let pp fmt (a, _) = pp fmt a in
F.fprintf fmt "<%a>" (Pp.seq pp) ann
(** Empty item annotation. *)
let empty = []
(** Check if the item annotation is empty. *)
let is_empty ia = List.is_empty ia
end
module Class = struct
let objc_str = "ObjC-Class"
let cpp_str = "Cpp-Class"
let of_string class_string = [({class_name= class_string; parameters= []}, true)]
let objc = of_string objc_str
let cpp = of_string cpp_str
end
module Method = struct
type t = {return: Item.t; params: Item.t list}
(** Pretty print a method annotation. *)
let pp s fmt {return; params} =
F.fprintf fmt "%a %s(%a)" Item.pp return s (Pp.seq Item.pp) params
(** Empty method annotation. *)
let empty = {return= []; params= []}
(** Check if the method annotation is empty. *)
let is_empty {return; params} = Item.is_empty return && List.for_all ~f:Item.is_empty params
end